I am thinking of selling my RFFS-100 I have only tried it a few times on the lil' skeeter, I think I have more fun with my big ones alittle more. I am selling the RFFS-100, 3 Bob Selman actuators, 1 145mah battery, 2 n-20 motors, 2 U-80 props, and a Bob Selman charger. MAKE ME AN OFFER.